Rubber valve back valve
Rubber valve back valve
Nominal diameter: DN50 ~ 600mm
Nominal pressure: PN1.0 ~ 1.6MPa
Medium: Water and weak corrosive fluid
Suitable temperature: 0 ~ 80 ℃
Flange Standard: GB / T17241.6, GB / T 9113
Test standards: GB / T13927, API598
The main part material
Part Name | Body | cap | Disc |
material | cast iron | cast iron | Steel + reinforced nylon cloth |
The main specifications
Model | Nominal pressure PN (MPa) | Seal test pressure (MPa) | Shell test | Maximum working | Medium insulation |
H44X-10 | 1.0 | 1.1 | 1.5 | 1.0 | 0-80 ° C |
H44X-16 | 1.6 | 1.76 | 2.4 |
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The main dimensions (flange connection size according to the provisions of GB4216)
Model | DN | L | D | D1 | dn | n |
H44X-10 16 | 50 | 203 | 165 | 125 | 17.5 | 4 |
65 | 216 | 185 | 145 | 17.5 | 4 | |
80 | 241 | 200 | 160 | 17.5 | 8 | |
100 | 292 | 220 | 180 | 17.5 | 8 | |
150 | 356 | 285 | 240 | 22 | 8 | |
200 | 495 | 240 | 295 | 22 | 8 | |
250 | 622 | 395 | 350 | 22 | 12 | |
300 | 698 | 445 | 400 | 22 | 12 | |
350 | 787 | 505 | 460 | 22 | 16 | |
400 | 914 | 565 | 515 | 22 | 16 | |
450 | 978 | 615 | 565 | 26 | 20 | |
500 | 978 | 670 | 620 | 26 | 20 | |
600 | 1295 | 780 | 725 | 30 | 20 |
- Name
- Phone
- Corporate name
- Address
- Leaving Message*
| Add：No. 3106, Chengliu Middle Road, Jiading District, Shanghai City Add：No. 3106, Chengliu Middle Road, Jiading District, Shanghai City | 
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